Chemistry · 2020
JEE Main · 8 January 2020, Shift 2 · Q30
Arrange the following bonds according to their average bond energies in descending order: C - Cl, C - Br, C - F, C - I
Arrange the following bonds according to their average bond energies in descending order:
$$\mathrm{C}-\mathrm{Cl}, \mathrm{C}-\mathrm{Br}, \mathrm{C}-\mathrm{F}, \mathrm{C}-\mathrm{I}
$$
Official answer
(2)
$\displaystyle \mathrm{C}-\mathrm{F}>\mathrm{C}-\mathrm{Cl}>\mathrm{C}-\mathrm{Br}>\mathrm{C}-\mathrm{I}$
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JEE Main 2020 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.